If you are looking for a web hosting provider that can give you good cheap PHP hosting at a great price, but still provide a faultless PHP service, then you might have to look around a little bit and do some research.
Remember that cheap PHP hosting isn't necessarily going to be very good in the long run. There are a lot of factors to look at to help you decide which web hosting provider you should go with. Check out this Cheap PHP Hosting website - they give you a lot of information on what to look out for when choosing the best PHP web hosting provider to go with.
You can also try doing a search for cheap PHP hosting using the search bar above, but be aware that you'll need to put in some research and find out what others think about the service you wish to go for before signing up to anything or parting with your money.